Win7 modify the computer time prompts no permission solution

Under Windows7 system, the user wants to modify the computer time, we can adjust through the time zone in the lower right corner, in win8 and win10 system we can correct the network time through automatic synchronization, but Some users report to Xiaobian, modify the time under win7 system, the system prompts that there is no modification permission, then how should we solve this problem? Let's look at the solution that Xiaobian brings to everyone!
Operation method
1. First, we simultaneously press win7 to download the win+R shortcut on the computer keyboard to open the computer's running window. In the open running window, we enter gpedit.msc and click Enter, so we can open Win7 downloads the computer's Group Policy Editor window.

2. Open the Group Policy Editor window, click to expand our turn "Windows Settings" menu on the left - "Security Settings" - "Local Policies" - "User Rights Assignment", then , we found the "Change system time" option in the right window of the user rights assignment.
3. Next, we double-click to open the "Change System Time" dialog box, and then click "Add User or Group". On the new window that opens, we click the "Advanced" button, which will open "Select User or Group", enter the account name to which you want to add permissions, and then click the OK button to save. After we finish, we can restart our win7 computer.

by the above method we can solve win7 system can not be modified, and there has been a failure without permission, the solution to this problem is quite simple, users only need to operate in accordance with the above tutorial!